expr safeBefore [AUX, DET, ADP, PUNCT, VERB]
expr modifierHead [NOUN, (ADJ NOUN), (ADV ADJ NOUN), (PROPN NOUN), (PROPN PROPN NOUN)]
expr builtInModifier <(@safeBefore built in @modifierHead), (built in)>
expr main [(in built), (in-built), @builtInModifier]
let message "Prefer the hyphenated compound `built-in`."
let description "English convention treats `built-in` as a single, attributive adjective—meaning something integrated from the outset—whereas other forms like `in built` are nonstandard and can feel awkward to readers."
let becomes "built-in"
let kind "Punctuation"
test "The app has built in support." "The app has built-in support."
test "This is a built in feature." "This is a built-in feature."
test "The tool provides built in Rust support." "The tool provides built-in Rust support."
test "The device has in-built storage." "The device has built-in storage."
allows "The Mixed Clan Jetty was built in 1962."
allows "The software was built in Rust."
allows "The team built in support for plugins."
allows "The feature is built in."